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Finding the Fourth Proportional to 541,477.67, 747,004.63 and 326,498.31

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Solution

The fourth proportional to 541,477.67, 747,004.63 and 326,498.31 is: 450,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,477.67 : 747,004.63 = 326,498.31 : x
  2. Step 2: Convert to fraction form
    541,477.67/747,004.63 = 326,498.31/x
  3. Step 3: Cross multiply
    541,477.67x = 747,004.63 × 326,498.31
  4. Step 4: Simplify right side
    541,477.67x = 243,895,743,889.66
  5. Step 5: Solve for x
    x = 243,895,743,889.66/541,477.67
  6. Step 6: Final answer
    x = 450,426.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.